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bnxt_en: Add basic WoL infrastructure.

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Add code to driver probe function to check if the device is WoL capable
and if Magic packet WoL filter is currently set.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2017-04-04 18:14:07 -04:00 committed by David S. Miller
parent 8eb992e876
commit c1ef146a5b
2 changed files with 47 additions and 0 deletions
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43
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -4532,6 +4532,9 @@ static int bnxt_hwrm_func_qcaps(struct bnxt *bp)
pf->max_tx_wm_flows = le32_to_cpu(resp->max_tx_wm_flows);
pf->max_rx_em_flows = le32_to_cpu(resp->max_rx_em_flows);
pf->max_rx_wm_flows = le32_to_cpu(resp->max_rx_wm_flows);
if (resp->flags &
cpu_to_le32(FUNC_QCAPS_RESP_FLAGS_WOL_MAGICPKT_SUPPORTED))
bp->flags |= BNXT_FLAG_WOL_CAP;
} else {
#ifdef CONFIG_BNXT_SRIOV
struct bnxt_vf_info *vf = &bp->vf;
@ -5839,6 +5842,44 @@ static int bnxt_hwrm_port_led_qcaps(struct bnxt *bp)
return 0;
}
static u16 bnxt_hwrm_get_wol_fltrs(struct bnxt *bp, u16 handle)
{
struct hwrm_wol_filter_qcfg_input req = {0};
struct hwrm_wol_filter_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
u16 next_handle = 0;
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_QCFG, -1, -1);
req.port_id = cpu_to_le16(bp->pf.port_id);
req.handle = cpu_to_le16(handle);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
next_handle = le16_to_cpu(resp->next_handle);
if (next_handle != 0) {
if (resp->wol_type ==
WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT) {
bp->wol = 1;
bp->wol_filter_id = resp->wol_filter_id;
}
}
}
mutex_unlock(&bp->hwrm_cmd_lock);
return next_handle;
}
static void bnxt_get_wol_settings(struct bnxt *bp)
{
u16 handle = 0;
if (!BNXT_PF(bp) || !(bp->flags & BNXT_FLAG_WOL_CAP))
return;
do {
handle = bnxt_hwrm_get_wol_fltrs(bp, handle);
} while (handle && handle != 0xffff);
}
static bool bnxt_eee_config_ok(struct bnxt *bp)
{
struct ethtool_eee *eee = &bp->eee;
@ -7575,6 +7616,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
goto init_err_pci_clean;
bnxt_get_wol_settings(bp);
rc = register_netdev(dev);
if (rc)
goto init_err_clr_int;

4
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -989,6 +989,7 @@ struct bnxt {
#define BNXT_FLAG_UDP_RSS_CAP 0x800
#define BNXT_FLAG_EEE_CAP 0x1000
#define BNXT_FLAG_NEW_RSS_CAP 0x2000
#define BNXT_FLAG_WOL_CAP 0x4000
#define BNXT_FLAG_ROCEV1_CAP 0x8000
#define BNXT_FLAG_ROCEV2_CAP 0x10000
#define BNXT_FLAG_ROCE_CAP (BNXT_FLAG_ROCEV1_CAP | \
@ -1180,6 +1181,9 @@ struct bnxt {
u32 lpi_tmr_lo;
u32 lpi_tmr_hi;
u8 wol_filter_id;
u8 wol;
u8 num_leds;
struct bnxt_led_info leds[BNXT_MAX_LED];